A group of scientists have developed an age-reversing pill after discovering a key signaling process in DNA repair and cell aging. After human trials are conducted over the next 6-months, NASA wants to give them to astronauts on Mars to protect them from solar radiation. “The cells of the old mice were indistinguishable from the young mice after just one week of treatment. This is the closest we are to a safe and effective anti-ageing drug that’s perhaps only three to five years away from being on the market if the trials go well,” said lead author Professor David Sinclair. Click here to view the first image in today’s viral picture gallery. Continue reading for the five most popular viral videos today, including one of a white hot 3000°C tungsten cube versus a watermelon and steak.